1C. & A. Conrad & Company to Thomas Jefferson, [received 15 April 1810] (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]
2Benjamin Smith Barton to Thomas Jefferson, 16 October 1810 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]
3Thomas Jefferson to Benjamin Smith Barton, 22 October 1810 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]
4David Bailie Warden to Thomas Jefferson, 16 January 1811 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]
5Thomas Jefferson to C. & A. Conrad & Company, 24 April 1811 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]
6C. & A. Conrad & Company to Thomas Jefferson, 12 June 1811 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]
7Thomas Jefferson to Benjamin Smith Barton, 3 April 1813 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]
8Thomas Jefferson to Paul Allen, 5 August 1813 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]
9Thomas Jefferson to Patrick Gibson, 7 August 1814 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]
10Charles Thomson to Thomas Jefferson, 16 May 1816 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]